I. Stomata --> Spirogyra
II. Alveoli --> Earthworm
III. Malpighian tubule -> Mammal
IV. Contractile vacuole -> Protozoa
Which of the above structures is correctly matched with the organisms in which it is found?
The sequence of the one-way gaseous exchange mechanism in a fish is?
Which of the following is true in blood transfusion?
The plants that grow in deserts or very dry areas are referred to as?
The most abundant group of organisms in the animal kingdom?
